Dozens of rats have made Houston’s City Hall their nocturnal playground, scurrying across sidewalks and diving into burrows on the building’s front lawn just days before the city’s annual holiday tree lighting ceremony.

A new study finds that rat infestation in many of the world’s cities appears to be soaring, especially in Washington.

In a recent report, a local resident shared her fears of retaliation after voicing concerns about a rat infestation in her apartment complex.